NPS(Nominal Pipe Size的缩写)是公称直径(通径)的一种表示方法。是北美管道尺寸标准体系,以英寸为单位。1英寸约等于25.4mm。在ASME、API体系的标准文献中,单位为英寸。如NPS2"。需要指出的是DN公称通径是供参考用的一个方便的圆整数,与加工尺寸仅呈不严格的对应关系。@DOU+小助手#垫片标准 ...
The pipe size shall be given with a figure specifying the nominal size in mm 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 选择语言:从中文简体中文翻译英语日语韩语俄语德语法语阿拉伯文西班牙语葡萄牙语意大利语荷兰语瑞典语希腊语捷克语丹麦语匈牙利语...
Nominal Diameter 后面的数字单位为mm NPS 名义管子尺寸 Nominal Pipe Size 后面的数字单位为英寸 PN 公称压力 Nominal Pressure Pressure Nominale 后面的数字单位为bar或MPa 带小数点的通常MPa in 英寸 inch 1 in = 25.4 mm USgal 美加仑 US gallon 1 US gallon = 231 in. 3 容积单位 1 US gal = 3.7853...
公称通径NominalPipeSize
same pressure rating in thesamenominal pipe size,thefemale thread would require a heavier wall, resulting [...] swagelok.com swagelok.com 若要相同公称尺寸的内螺纹和外螺纹拥有相 同的压力额定值、内螺纹往往需要更厚的管壁、可能会造成接头 过大和过于笨重以至于无法使用。
Ian Sutton, in Plant Design and Operations (Second Edition), 2017 Nominal Pipe Sizes Pipes are specified by “Nominal Pipe Size” (NPS) and Schedule (wall thickness). NPS is a size standard established by the ANSI. The metric equivalent is DN or diametre nominal. The metric designations con...
公称通径Nominal Pipe Size 公称通径Nominal Pipe Size 外径 Outside Diameter 公称壁厚T Norminal Wall Thickness 说明:此钢管标准表公称通径中NPS 是指以英制(inch)英寸为基准,DN 是以公制(mm)厘米为基准,外径及公称 NPS DN SCH5sSCH10s SCH10 SCH20 SHC30 SCH40s STD SCH40 SCH60 SCH80s XS SCH80 SCH...
DN15'spipeisthewaterpipeoftheBritish1/2,andit'salso the4waterpipe. Forexample,thewaterpipeofDN20isthewaterpipeofthe British3/4,anditisalsothe6waterpipeinthepast TherelationshipbetweentheouterdiameterandDNandNBis asfollows: Nominalpipesize(NPS)/in ...
The size of pipes, fittings, flanges and valves are often given in inches as NPS - Nominal Pipe Size, or in metric units as DN - 'Diametre Nominal'. Pipes are made of a wide variety of materials - like galvanized steel, black steel, copper, cast iron, concrete, and various plastics...
(mm) Nominal Pipe Size NPS (inches) 6 1/8 8 1/4 10 3/8 15 1/2 20 3/4 25 1 32 1 1/4 40 1 1/2 50 2 65 2 1/2 80 3 100 4 150 6 200 8 250 10 300 12 350 14 400 16 450 18 500 20 550 22 600 24 650